LOHENGRIN
LOHENGRIN, hero of a German 13th-century poem; son of Parzival, and a Knight of the Grail; carried by a swan to Brabant he delivered and married the Princess Elsa; subsequently returning from war against the Saracens, she asked him of his origin; he told her, and was at once carried back again by the swan. Wagner adapted the story in his opera "Lohengrin."